Beilinson–Drinfeld Grassmannian

E876105

The Beilinson–Drinfeld Grassmannian is a geometric object in algebraic geometry and representation theory that generalizes the affine Grassmannian to configurations of multiple points, playing a central role in the geometric Langlands program.

All labels observed (3)

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf geometric object ⓘ
ind-scheme ⓘ
moduli space ⓘ
alternativeName BD Grassmannian ⓘ
appearsIn Beilinson–Drinfeld formulation of geometric Langlands ⓘ
builtOver Ran space of the curve ⓘ
categoryOfSheavesOn tensor category equivalent to representations of Langlands dual group (via geometric Satake) ⓘ
centralRoleIn geometric Langlands program ⓘ
constructedFor connected reductive group G ⓘ
definedFor reductive algebraic group ⓘ
definedOver algebraic curve ⓘ
dependsOn choice of reductive group G ⓘ
choice of smooth projective curve ⓘ
encodes fusion (convolution) product of perverse sheaves ⓘ
tensor product structure on representations via geometric Satake ⓘ
fiberIs affine Grassmannian when all points coincide ⓘ
product of affine Grassmannians when points are distinct ⓘ
fiberOver configuration of points on a curve ⓘ
field algebraic geometry ⓘ
representation theory ⓘ
generalizes affine Grassmannian ⓘ
hasBase configuration space of points on a curve ⓘ
hasLocalModel affine Grassmannian at each point ⓘ
hasProperty compatible with collisions of points ⓘ
hasStructure factorization space ⓘ
ind-projective scheme (in many cases) ⓘ
namedAfter Alexander Beilinson ⓘ
Vladimir Drinfeld ⓘ
parameterizes G-bundles on a curve with modifications at several points ⓘ
relatedConcept Ran space of a curve ⓘ
chiral homology ⓘ
factorization algebra ⓘ
relatedTo affine Kac–Moody algebras ⓘ
linked to: affine Lie algebras

geometric Langlands program ⓘ
loop group of a reductive group ⓘ
moduli of G-bundles on algebraic curves ⓘ
supports D-modules ⓘ
perverse sheaves ⓘ
usedBy Alexander Beilinson ⓘ
Dennis Gaitsgory ⓘ
Vladimir Drinfeld ⓘ
usedFor construction of Hecke eigensheaves ⓘ
construction of chiral algebras ⓘ
construction of vertex algebras in geometric representation theory ⓘ
definition of geometric Hecke operators ⓘ
factorization structures in geometric representation theory ⓘ
usedIn geometric Satake equivalence ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Alexander Beilinson → knownFor → Beilinson–Drinfeld Grassmannian ⓘ
Beilinson–Drinfeld Grassmannian → appearsIn → Beilinson–Drinfeld formulation of geometric Langlands ⓘ
linked to: Beilinson–Drinfeld Grassmannian
Beilinson–Drinfeld Grassmannian → alternativeName → BD Grassmannian ⓘ
linked to: Beilinson–Drinfeld Grassmannian